<!--
 * @Description: 
 * @Author: mxy
 * @Date: 2022-12-01 20:49:55
 * @LastEditors: mxy
 * @LastEditTime: 2022-12-01 21:19:07
-->
<template>
  <footer class="footer">
    <!-- This should be `0 items left` by default -->
    <span class="todo-count"
      >剩余<strong>{{ rest }}</strong></span
    >
    <!-- Remove this if you don't implement routing -->
    <ul class="filters">
      <li>
        <a
          :class="{ selected: flag == 1 }"
          href="#/"
          @click="$emit('taskState', 1)"
          >全部任务</a
        >
      </li>
      <li>
        <a
          :class="{ selected: flag == 2 }"
          href="#/active"
          @click="$emit('taskState', 2)"
          >进行中</a
        >
      </li>
      <li>
        <a
          :class="{ selected: flag == 3 }"
          href="#/completed"
          @click="$emit('taskState', 3)"
          >已完成</a
        >
      </li>
    </ul>
    <!-- Hidden if no completed items are left ↓ -->
    <button class="clear-completed" @click="$emit('clear')">清除已完成</button>
  </footer>
</template>

<script>
export default {
  props: ["list", "flag"],
  computed: {
    rest() {
      return this.list.filter((item) => item.isDone == false).length;
    },
  },
};
</script>

<style>
</style>
